Mark A. Kassels, MD
Ophthalmology Physician · Sheffield, AL
Mark A. Kassels, MD is an ophthalmology physician with a practice address in Sheffield, Alabama, and NPI 1437114055, issued on Apr 18, 2006. Check the license (Alabama 16162, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark A. Kassels
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 16162 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1110 S. Montgomery Ave, Sheffield, AL 35660
- Phone
- (256) 381-2020
- Enumerated
- Apr 18, 2006
- Record last updated
- Apr 13, 2022
- Fax
- (256) 381-7754
- Medicaid ID
- 529901280 AL
- Medicare enrollment
- Enrolled (PECOS I20110324000187); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 234 in Alabama → Look up another NPI →
Also registered at 1110 S. Montgomery Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jan Lenz, O.D.Optometrist1215040944
Verify Mark A. Kassels in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 16162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average ophthalmology physician in 2024
4,273 Medicare Part D claims for 735 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Latanoprost1,393 claims
- Timolol Maleate509 claims
- Dorzolamide-Timolol410 claims
- Brimonidine Tartrate210 claims
- Ketorolac Tromethamine200 claims
- Ofloxacin189 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $334.45
11 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Surgical Vision, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tennessee River Eye ClinicSheffield, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Kassels among 234 ophthalmology physician records in Alabama
Mark A. Kassels, MD is one of 234 ophthalmology physician records with a practice address in Alabama. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 25% of them.
- NPI issued2006 · 25% of these records are older, 35% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1990 · median 1999 among the 148 with a school on file
- Record last updated2022 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Alabama
There are 234 ophthalmology physician records in Alabama.
All 234 in Alabama → Every provider in Sheffield → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Daniel Wenzl, MDMuscle Shoals, AL 356611912016163
- Melton Ambrose, M.D.Killen, AL 356451740432863
- Tamela Martin, MDFlorence, AL 356341871688200
- Michael Brummitt, M.D.Florence, AL 356301992776397
- Lewis Fraser, M.D.Florence, AL 356301982675583
- Michael Gray, M.D.Florence, AL 356301457322877
- Perin Thompson, MDFlorence, AL 356301669458725
- Gregg Moody, MDAthens, AL 356131982647731
Common questions
What is Mark A. Kassels, MD's NPI number?
Mark A. Kassels, MD's National Provider Identifier (NPI) is 1437114055, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Kassels, MD located?
The NPPES record lists a practice address at 1110 S. Montgomery Ave, Sheffield, AL, 35660. Phone: (256) 381-2020. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Kassels, MD's license?
NPPES lists Alabama license number 16162, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. Kassels, MD prescribe under Medicare Part D?
In 2024, Mark A. Kassels, MD had 4,273 Medicare Part D claims for 735 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mark A. Kassels, MD's MIPS final score?
The 2023 MIPS final score is 82.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.